Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Net+ > Ports & Protocols > Flashcards

Ports & Protocols Flashcards

1
Q

What is a port?

A

Entry/exit point by software apps to exchange information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a protocol?

A

, Rules and conventions for data exchange between network devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

IP address function

A

Direct data to the correct system in a network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Port function

A

Identifies specific apps/services on a computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 3 port groups?

A

Well-known ports, registered ports, ephemeral port

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What’s the numbering of well-known ports?

A

0-1,023

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Name examples of well-known ports.

A

FTP, SMTP, HTTP and https

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

FTP uses which ports?

A

20,21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

SMTP port #

A

25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

http port #

A

80

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

http and HTTPS, which port is secure?

A

https

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

https port #

A

443

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Registered ports #ts

A

1,024 to 49,151

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ephemeral ports #

A

49,152 to 65, 535

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

2 way communicator is established between…

A

Client and webserver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does TCP stand for?

A

Transmission Control Protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What layer of the OSI model does TCP operates from?

A

Transport layer (4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Functions of TCP

A

Error checking, data sequencing, acknowledgment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

TCP function with messages

A

Breaks down larger messages into smaller packets for data transfer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Define 3 way hand shake

A

Initiated to establish a connection between systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Error checking

A

Detects & retransmits lost/corrupted packets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Flow control

A

Prevents overwhelming the receiver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Windowing

A

Controls the amount of data sent a time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Enable multiple network applications on the same server

A

Ports

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Numerical identifiers are called.

A

Ports

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Ensures reliability and ordered delivery betwee clients and server

A

TCP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

3 way handshake

A

Establishes secure connection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is UDP acronym

A

User datagram protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Define UDP

A

Comm. Protocol used for time sensitive transmissions on the internet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

UDP cons

A
  • ideal for speed over checking
  • low latency, reduced processing overhead
  • lacks error checking and recovery services
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Connection less

A

UDP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Uses ports to direct date to the connect application

A

UDP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Stateless protocol;fire/forget

A

UDP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

ICMP

A

Internet control message protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

OSI layer for ICMP

A

Network layer (3)

36
Q

ICMP (Internet control message protocol)

A

Network layer (3)

37
Q

ICMP is not used for what?

A

Data transmission between systems

38
Q

ICMP messages

A

Used for host/service unreachability, expired time to live router buffer issues

39
Q

Type - ICMP msg structure

A

Indicates the type of ICMP msg (1 byte)

40
Q

Code- ICMP msg structure

A

Provides additional context about message type (1 byte)

41
Q

Checksum -imp msg structure

A

Used for error checking the msg header and data (2 bytes)

42
Q

Used for error handling/ diagnostics

A

ICMP

43
Q

Define web ports and protocols

A

Standardized rules and numerical gateways that govern data transmission/communication for websites

44
Q

Name 2 fundamental ports

A

Port 80 (HTTP) port 443 (HTTPs)

45
Q

Encrypts data, securing it from interception/tampering

A

HTTPS

46
Q

Vital for websites ah fling sensitive data like banking

A

HTTPS

47
Q

SMTP

A

Sending emails

48
Q

SMTP port#

A

25

49
Q

A secure variant of SMTP

A

SMTPS

50
Q

POP3

A

Transmits emails in plain text (insecure)

51
Q

POP3 port#

A

995 via SSL/TLS

52
Q

IMAP

A

Transmits emails in plain text (insecure) more flexible then POP3

53
Q

IMAP port#

A

143

54
Q

A variant of IMAP that transmits secure/enctypted data

A

IMAPS

55
Q

IMAPS port #

A

993

56
Q

Sending emails

A

SMTP/SMTPS

57
Q

Reciving emails

A

POP3/IMAP

58
Q

Email management on multiple devices

A

IMAP

59
Q

File transfer ports & protocol

A

Specialized rules and procedures that are utilized for the transmission of files across networks

60
Q

FTP port #

A

20 - actual data transfer
21- sending control commands

61
Q

Drawback of FTP

A

Lack of encryption/ security risks

62
Q

SFTP port#

A

22- standard port for SSH connections

63
Q

Addresses FTP security concerns

A

SFTP

64
Q

TFTP

A

Basic version of FTP THAT LACKS AUTHENTICATION & directory browsing

65
Q

designed for sending files when minimal security is sufficient

A

TFTP port 69

66
Q

SMB (server message block)

A

A network file sharing protocol that allows applications to read/write files & request service from server programs

67
Q

Not a protocol to send data across the internet

A

SMB

68
Q

Basic transfers (ports 20,21)

A

FTP

69
Q

Secure transfers (port 22)

A

SFTP

70
Q

Simple, unsecured transfer (port69)

A

TFTP

71
Q

Windows file sharing in LANs

A

SMB

72
Q

When choosing protocol:

A

Align security requirements, network environment & functionality needed

73
Q

Build & manage systems & network remotely from anywhere in the world

A

Remote access ports & protocls

74
Q

Protocol for secure remote login and network services over an unsecure network

A

SSH (secure shell)

75
Q

Early remote login protocol

A

Telnet

76
Q

RDP (Remote Desktop protocol)

A

Port 3389- Allows remote access to a window system, supporting different network topologies

77
Q

Fundamental services for smooth digital communication and network management

A

Network Services, Ports, and Protocols

78
Q

DNS (Domain Name System)

A

domain names to IP addresses
■ Operates on ports 53

79
Q

TCP = larger msgs
UDP= smaller msgs

A

DNS

80
Q

DHCP (Dynamic Host Configuration Protocol)

A

Automates the assignment of IP addresses and networking parameters to client devices

81
Q

SQL Services

A

Refers to protocols used by database servers for managing queries

82
Q

SQL

A

Microsoft SQL: port 1433/MySQL 3306

Data management query

83
Q

Syslog

A

Standard for message logging allowing devices to send event messages across IP networks

84
Q

Network Time Protocol (NTP)

A

Vital for time-dependent processes

85
Q

Session Initiation Protocol (SIP)

A

Voiceover IP applications

86
Q

LDAP

A

Allows retrieval of mngmt/relevant info (unsecured)

87
Q

LDAPS

A

Protect sensitive data; encrypted tunnel

Net+ (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions